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larvffi. They will attack and devour the huge wingless locusts (Brachypep- 
lus), and sword bearers (Ensicaudes). I have seen them in the act of con- 
quering and devouring the large Prionus of the plains (P. fissicornis), and 
in two instances have seen them eating one another, apparently with the 
keenest relish. In confinement they will thrive upon full grown maple- 
worms (Dryocampa rubicunda var. alba), the caterpillars of the Hand-maid 
Moth (Datana ministra), and almost every other insect pest of the orchard 
and garden. 

But while thus visiting the death penalty upon every member of his 
class with which he comes in contact, our voracious hero is himself a choice 
article of diet to at least one carnivorous quarduped of the plains. Mr. 
John M. Walker, one of the members of my party, while patrolling his 
accustomed beat one morning before sunrise, discovered the fresh fragments 
of several half-eaten Amblychilse scattered along his route, as if some pre- 
datory animal had but just preceded him and made his breakfast upon the 
rarities which otherwise would have made their way into the collecting- 
bottle. On the evening of the same day, Mr. Walker, while collecting in 
the same locality, was violently attacked by a rabid skunk, twice in immedi- 
ate succession. The next morning Mr. Richard Foster, the other student 
of the party, was similarly attacked on a neighboring clay-bank, and had 
the good fortune to kill his assailant. An examination of the eentents of 
this animal's stomach revealed unmistakable remains of freshly-eaten Am- 
blychilee. It would thus appear that this ill-odored quadruped has an orig- 
inal claim to the title of " Amblychilse-hunter, " and is ready at the proper 
time to vindicate its claims against human contestants. This fact will 
merit the serious consideration of entomologists who may hereafter visit 
the plains, since the bite of the rabid skunk has proven fatal to man in 
more than nine cases out of ten, and there are more than fifty fatal cases 
on record. In this connection may be mentioned another danger which must 
be incurred by the collector of insects upon the plains. I refer to the bite 
of the rattlesnake, which venomous reptile abounds in Western Kansas and 
Eastern Colorado, and was encountered nearly every day by some member 
of our expedition. 


By S. W. Williston, New Haven, Conn. 

The few following observations may be of use to collectors: 
C. montana. This species I found in considerable quantities early in 
spring, in Southern Wyoming — more frequently along the hillsides of up- 
lands, and not especially in bared ground. 

C. pulehra. This beautiful species is extremely abundant in South- 
western Kansas and Southern Colorado. They always choose perfectly bared 
spots of loam, on high ground, and for that reason are oftenest seen along 
old unused roads. A peculiarity of their northern distribution is inter- 
esting. They are extremely abundant along the valley of the Smoky Hill 
river, extending nearly as far east as Ft. Hays. But during three years 
of active collecting in the West by Messrs. Brous, Cooper, E. W. Guild, and 
myself, I never learned of a specimen taken north of the divide between 
the Smoky Hill and Saline rivers, nor indeed beyond the immediate valley 
of the Smoky Hill. Another beetle with almost precisely the same limits 


of distribution, is Asida elata. Amblychila cylindriformis, although occur- 
ring very rarely north of the Smoky Hill, does still reach the Solomon river. 

C. scutellaris. Smoky Hill and Saline, confined mostly to sandy streams 
on the borders near vegetation, but nearer the open sand than formosa. 

C. 10-notata. Has habits somewhat similar to montana, specially dis- 
tributed in Southern Wyoming, on high grounds among the buffalo grass. 

C. Auduboni. Most abundant in early spring. The black variety was 
most commonly seen in the open clayey bottoms of ravines and hollows near 
the chalk washes, and not usually intermingled with the green variety. 
Both varieties, or sub-varieties, were found on the Laramie plains. , 

C. fulgida, This beautiful species I have found abundant in Western 
Kansas and Southern Wyoming. They frequent the upper banks, contigu- 
ous, but at some distance from water, among the buffalo grass. Their quick 
flight, together with the unbared situation, render it difficult to obtain 
them in numbers. 

C. hyperborea. Common at Como, Wyoming, near the lake's edge, 
with vulgaris. 

C. circumpicta. This species seems to be confined to bared alkaline 
spots, at least it has been in such localities that I have taken them in 
Western Kansas and Nebraska. 



By Prof. Wm. Wheeler. 

I. Perchidse — ^Perches. 

1. Stizostedium Americanum (Gill) — Wall-Eyed Pike. 

II. Icthelidae — Sunfishes. 

2. Pomoxys hexacanthus (Agassiz) — Six-spined Bass; abundant. 

3. Micropterus nigricans — ^Black Bass. 

4. Pomotis auritus (Gun.) — ^Bream; plentiful. 

5. Pomotis luna (Agassiz) — Moon Sunfish. 

III. ScisBnidffi — Drums. 

6. Haploidonotus grunniens (Raf.) — ^Drum; abundant. 

IV. Clupeidae — Herring. 

7. Dorosoma Cepedianum (Gill) — Hickory Shad; abundant. 

V. Catastomidae — Suckers. 

8. Hypentelium nigricans (Jordan) — Mud Sucker. 

9. Erimyzon melanops (Jordan) — Striped Sucker. 

10. Moxostoma duquesnei (Jordan) — ^Red Horse; abundant. 

11. Carpoides bison (Agassiz) — Buffalo Carp; abundant. 

12. Icthyobus bubalus (Agassiz) — Brown Buffalo; abundant. 

13. Bubalichthys niger (Agassiz) — Buffalo; abundant. 

14. Catostomus teres (LeS.) — White Sucker. 

VI. Siluridae — Catfishes. 

15. Ictalurus punctatus (Jordan) — Channel Cat; abundant.